Fix digits serialization bug

gamestate.c

@@ -384,17 +384,13 @@ static void grid_correct_for_holes(GameState* gs, struct Entity* grid)
 					V2 cur_local_pos = entity_shape_pos(N);
 					const V2 dirs[] = {
 						(V2){
-							.x = -1.0f, .y = 0.0f
-},
+							.x = -1.0f, .y = 0.0f},
 						(V2){
-	.x = 1.0f, .y = 0.0f
-},
+							.x = 1.0f, .y = 0.0f},
 						(V2){
-	.x = 0.0f, .y = 1.0f
-},
+							.x = 0.0f, .y = 1.0f},
 						(V2){
-	.x = 0.0f, .y = -1.0f
-},
+							.x = 0.0f, .y = -1.0f},
 					};
 					int num_dirs = sizeof(dirs) / sizeof(*dirs);
 
@@ -703,13 +699,35 @@ SerMaybeFailure ser_data(SerState* ser, char* data, size_t data_len, const char*
 		{
 			char read_name[512] = {0};
 
-			for (int i = 0; i < var_name_len; i++)
+			size_t just_field_name = strlen(name);
+			int i = 0;
+			int nondigit_i = 0;
+			while (true)
 			{
 				read_name[i] = ser->bytes[ser->cursor];
+				if (nondigit_i == 0 && read_name[i] >= '0' && read_name[i] <= '9')
+				{
+					// still a digit
+					if (i >= 10)
+					{ // 10 is way too many digits for a line number...
+						return (SerMaybeFailure){
+							.expression = "Way too many digits as a line number before a field name",
+							.failed = true,
+							.line = __LINE__,
+						};
+					}
+				}
+				else
+				{
+					nondigit_i += 1;
+				}
+				i++;
 				ser->cursor += 1;
 				SER_ASSERT(ser->cursor <= ser->max_size);
+				if (nondigit_i >= just_field_name)
+					break;
 			}
-			read_name[var_name_len] = '\0';
+			read_name[i + 1] = '\0';
 			// advance past digits
 			char *read = read_name;
 			char *var = var_name;
@@ -742,6 +760,7 @@ enum GameVersion
 	VAddedTest,
 	VAddedSerToDisk,
 	VRemovedTest,
+	VChangedVectorSerializing,
 	VMax, // this minus one will be the version used
 };
 
@@ -770,7 +789,8 @@ SerMaybeFailure ser_entityid(SerState* ser, EntityID* id)
 {
 	SER_VAR(&id->generation);
 	SER_VAR(&id->index);
-	if (id->generation > 0) SER_ASSERT(id->index < ser->max_entity_index);
+	if (id->generation > 0)
+		SER_ASSERT(id->index < ser->max_entity_index);
 	return ser_ok;
 }
 
@@ -846,7 +866,14 @@ SerMaybeFailure ser_entity(SerState* ser, GameState* gs, Entity* e)
 		V2 shape_pos;
 		if (ser->serializing)
 			shape_pos = entity_shape_pos(e);
+		if (ser->version < VChangedVectorSerializing)
+		{
+			SER_VAR(&shape_pos);
+		}
+		else
+		{
 			SER_MAYBE_RETURN(ser_V2(ser, &shape_pos));
+		}
 
 		float shape_mass;
 		if (ser->serializing)
@@ -938,10 +965,12 @@ SerMaybeFailure ser_opus_packets(SerState* ser, OpusBuffer* mic_or_speaker_data)
 		while (true)
 		{
 			SER_VAR(&no_more_packets);
-			if (no_more_packets) break;
+			if (no_more_packets)
+				break;
 			OpusPacket *cur = push_packet(mic_or_speaker_data);
 			OpusPacket dummy;
-			if (cur == NULL) cur = &dummy; // throw away this packet
+			if (cur == NULL)
+				cur = &dummy; // throw away this packet
 			bool isnull = false;
 			SER_VAR(&isnull);
 			if (!isnull)